Home / 134,612.10-201,918.15-103,119.30

Finding the Fourth Proportional to 134,612.10, 201,918.15 and 103,119.30

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Solution

The fourth proportional to 134,612.10, 201,918.15 and 103,119.30 is: 154,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,612.10 : 201,918.15 = 103,119.30 : x
  2. Step 2: Convert to fraction form
    134,612.10/201,918.15 = 103,119.30/x
  3. Step 3: Cross multiply
    134,612.10x = 201,918.15 × 103,119.30
  4. Step 4: Simplify right side
    134,612.10x = 20,821,658,285.30
  5. Step 5: Solve for x
    x = 20,821,658,285.30/134,612.10
  6. Step 6: Final answer
    x = 154,678.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.